Organization and Basis of Presentations (Policies)	6 Months Ended
Organization and Basis of Presentations (Policies)	Jun. 30, 2014
Accounting Policies [Abstract]
Organization	Organization Ramco-Gershenson Properties Trust, together with its subsidiaries (the “Company” or "RPT"), is a real estate investment trust (“REIT”) engaged in the business of owning, developing, redeveloping, acquiring, managing and leasing community shopping centers in strategic metropolitan markets throughout the Eastern, Midwestern and Central United States. As of June 30, 2014, our property portfolio consists of 65 wholly owned shopping centers and one office building comprising approximately 13.0 million square feet. In addition, we are co-investor in and manager of two institutional joint ventures that own portfolios of shopping centers. We own 20% of Ramco 450 Venture LLC, an entity that owns eight shopping centers comprising approximately 1.6 million square feet. We own 30% of Ramco/Lion Venture L.P., an entity that owns three shopping centers comprising approximately 0.8 million square feet. We also have ownership interests in two smaller joint ventures that each own a shopping center. In addition, we own interests in three parcels of land available for development or sale and five parcels of land adjacent to certain of our existing developed properties located in Florida, Georgia, Michigan, Tennessee, and Virginia. Most of our properties are anchored by supermarkets and/or national chain stores. The Company’s credit risk, therefore, is concentrated in the retail industry.
Basis of Presentation	Basis of Presentation The accompanying condensed consolidated financial statements include the accounts of the Company and our majority owned subsidiary, the Operating Partnership, Ramco-Gershenson Properties, L.P. (96.9% and 96.8% owned by the Company at June 30, 2014 and December 31, 2013, respectively), and all wholly-owned subsidiaries, including entities in which we have a controlling financial interest. We have elected to be a REIT for federal income tax purposes. All intercompany balances and transactions have been eliminated in consolidation. The information furnished is unaudited and reflects all adjustments which are, in the opinion of management, necessary to reflect a fair statement of the results for the interim periods presented, and all such adjustments are of a normal recurring nature. These condensed consolidated financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2013. The preparation of our unaudited financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management of the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited financial statements and the reported amounts of revenues and expenses during the reporting period. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities and reported amounts that are not readily apparent from other sources. Actual results could differ from those estimates.
Reclassifications	Reclassifications Certain reclassifications of prior period amounts, primarily related to discontinued operations, have been made in the condensed consolidated financial statements in order to conform to the current presentation.
Recent Accounting Pronouncements	Recent Accounting Pronouncements In June 2014, the FASB issued Accounting Standards Update No. 2014-12, “Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period” (“ASU 2014-12”). The amendments in ASU 2014-12 require that a performance target that affects vesting and that could be achieved after the requisite service period be treated as a performance condition. A reporting entity should apply existing guidance in Accounting Standards Codification Topic No. 718, “Compensation — Stock Compensation” (“ASC 718”), as it relates to awards with performance conditions that affect vesting to account for such awards. The amendments in ASU 2014-12 are effective for annual periods and interim periods within those annual periods beginning after December 15, 2015. Early adoption is permitted. Entities may apply the amendments in ASU 2014-12 either: (a) prospectively to all awards granted or modified after the effective date; or (b) retrospectively to all awards with performance targets that are outstanding as of the beginning of the earliest annual period presented in the financial statements and to all new or modified awards thereafter. We believe the adoption of this guidance will not have a material effect on our consolidated financial statements. In May 2014, the Financial Accounting Standards Board ("FASB") issued ASU 2014-09 "Revenue from Contract with Customers" as a new Topic, Accounting Standards Codification ("ASC") Topic 606. The objective of ASU 2014-09 is to establish a single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and will supersede most of the existing revenue recognition guidance, including industry-specific guidance. The core principle is that a company should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In applying the new standard, companies will perform a five-step analysis of transactions to determine when and how revenue is recognized. ASU 2014-09 applies to all contracts with customers except those that are within the scope of other topics is the FASB ASC. This ASU is effective for annual reporting periods (including interim periods within those periods) beginning after December 15, 2016 and shall be applied using either a full retrospective or modified retrospective approach. Early adoption is not permitted. We are currently evaluating the guidance and have not determined the impact this standard may have on the consolidated financial statements nor decided upon the method of adoption. In April 2014, FASB issued ASU 2014-08 "Presentation of Financial Statements (Topic 205) and Property, Plant, and Equipment (Topic 360), Reporting Discontinued Operations and Disclosures of Disposals of Components of an Entity" which amends the requirements for reporting discontinued operations. Under ASU 2014-08, a disposal of a component of an entity or a group of components of an entity is required to be reported in discontinued operations if the disposal represents a strategic shift that has (or will have) a major effect on an entity's operations and financial results. For public entities, ASU 2014-08 is effective prospectively for fiscal years beginning after December 15, 2014; however, early adoption is permitted, but only for disposals or classifications as held for sale that have not been reported in financial statements previously issued or available for issuance. We adopted the provisions of ASU 2014-08 beginning with the period ended March 31, 2014, and have applied the provisions prospectively. Prior to the adoption of ASU 2014-08, the results of operations for operating properties sold or held for sale during the reported periods were shown under Discontinued Operations on the Consolidated Statements of Operations. Beginning with the period ended March 31, 2014, in general, our activity related to individual sales of properties wholly-owned or co-owned with joint ventures will no longer be classified as Discontinued Operations. In July 2013, the FASB updated ASC 740 "Income Taxes" with ASU 2013-11 "Presentation of an Unrecognized Tax Benefit When a Net Operating Loss Carry forward, a Similar Tax Loss, or a Tax Credit Carry forward Exists." The objective of this update is to reduce the diversity in practice related to the presentation of certain unrecognized tax benefits. The amendments in this update require an entity to present an unrecognized tax benefit in the financial statements as a reduction to a deferred tax asset for those instances described above, except in certain situations described in the update. For public entities, ASU 2013-11 is effective for fiscal years beginning after December 15, 2013 and interim periods within those years. The guidance should be applied prospectively to all unrecognized tax benefits that exist at the effective date. Early adoption and retrospective application are permitted. The adoption of this guidance did not have an impact on our consolidated financial statements. In July 2013, the FASB updated ASC 815 "Derivatives and Hedging" with ASU 2013-10 "Inclusion of the Fed Funds Effective Swap Rate (of Overnight Index Swap Rate) as a Benchmark Interest Rate for Hedge Accounting Purposes." ASU 2013-10 permits the Overnight Index Swap ("OIS") Rate, also referred to as the Fed Funds effective Swap Rate, to be used as a U.S. benchmark for hedge accounting purposes, in addition to London Interbank Offered Rate ("LIBOR") and the interest rate on direct U.S. Treasury obligations. The guidance also removes the restriction on using different benchmarks for similar hedges. ASU 2013-10 is effective prospectively for qualifying new or re-designated hedges entered into on or after July 17, 2013. The adoption of this guidance did not have an impact on our consolidated financial statements.

Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.

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